| Subscriber's choice | 23 |
| Subscriber's encore | 23 |
| Subscriber's option | 23 |
| Subscribers' activity | 25 |
| Subscription card option | 24 |
| Subscription card, e.g. | 23 |
| Subscription cards, e.g. | 24 |
| Subscription continuations | 26 |
| Subscription extension | 22 |
| Subscription extensions | 23 |
| Subscription length, often | 26 |
| Subscription period, often | 26 |
| Subscription termination | 24 |
| Subsequent prescription order | 29 |
| Subsequent: Comb. form | 22 |
| Subset of the complex numbers | 29 |
| Subside, with "up" | 28 |
| Subsidiary dinner course | 24 |
| Subsidiary math theorem | 23 |
| Subsidiary member of a firm | 27 |
| Subsidiary of Hallmark | 22 |
| Subsidiary of Whirlpool | 23 |
| Subsidiary proposition | 22 |
| Subsidiary propositions | 23 |
| Subsidized grad student | 23 |
| Subsidized housing in Riyadh? | 29 |
| Subsist on field rations? | 25 |
| Subsist on next to nothing | 26 |
| Subst. for unnamed things | 25 |
| Substance abuse support group | 29 |
| Substance checker: Abbr. | 24 |
| Substance derived from starch | 29 |
| Substance essential to life | 27 |
| Substance for a violin bow | 26 |
| Substance for dilating pupils | 29 |
| Substance for making beads | 26 |
| Substance for sculptures | 24 |
| Substance for smelting | 22 |
| Substance found in flour | 24 |
| Substance in acid tests | 23 |
| Substance in an oyster | 22 |
| Substance in cigarettes | 23 |
| Substance in salad dressing | 27 |
| Substance in skin care | 22 |
| Substance in some lamps | 23 |
| Substance in some piecrusts | 27 |
| Substance in some signs | 23 |
| Substance in wheat flour | 24 |
| Substance obtained from wool | 28 |
| Substance of a 1963 treaty | 26 |
| Substance of some crowns | 24 |
| Substance on an envelope | 24 |
| Substance put on wounds | 23 |
| Substance resembling dentin | 27 |
| Substance susceptibility | 24 |
| Substance taken up in a lab | 27 |
| Substance that makes you hot | 28 |
| Substance that may be donated | 29 |
| Substance used by dyers | 23 |
| Substance used by watchmakers | 29 |
| Substance used for moldings | 27 |
| Substance used for polishing | 28 |
| Substance used in fillings? | 27 |
| Substance used in immunology | 28 |
| Substance used in perfumes | 26 |
| Substance used to curdle milk | 29 |
| Substance used to make ink | 26 |
| Substance usually abbreviated | 29 |
| Substance with a low pH | 23 |
| Substance's partner | 23 |
| Substance, such as benzene | 26 |
| Substance-banning agcy. | 23 |
| Substances sans liquid or gas | 29 |
| Substances that ooze out | 24 |
| Substances used by etchers | 26 |
| Substances used in soap | 23 |
| Substances with low pH | 22 |
| Substandard contraction | 23 |
| Substandard language form | 25 |
| Substantial baby shower gift | 28 |
| Substantial bodies of work | 26 |
| Substantial hit: Abbr. | 22 |
| Substantial, as a meal | 22 |
| Substantial, as a role | 22 |
| Substantial, as an amount | 25 |
| Substantially removed (from) | 28 |
| Substantive in grammar | 22 |
| Substantive substitutes | 23 |
| Substitute at the plate | 23 |
| Substitute at the stadium | 25 |
| Substitute bread spread | 23 |
| Substitute for an umbrella? | 27 |
| Substitute for dropped items | 28 |
| Substitute for gum or Jove? | 27 |
| Substitute for some names | 25 |
| Substitute for the missing | 26 |
| Substitute for the unlisted | 27 |
| Substitute for the unnamed | 26 |
| Substitute for, as a pitcher | 28 |
| Substitute handkerchief | 23 |